@inproceedings{MatthiessenMartin91-topo,
  author	= {Matthiessen, Christian M. I. M. and Martin, James R.},
  editor	= {Christie, Frances},
  year		= {1991},
  title		= {Systemic typology and topology},
  booktitle	= {Social processes in education: proceedings of the First Australian Systemic Network Conference},
  publisher	= {Deakin University Press},
  address	= {Geelong, Victoria, Australia}
}